compound engine

noun

1. a steam engine in which the steam is expanded in more than one stage, first in a high-pressure cylinder and then in one or more low-pressure cylinders
2. a reciprocating engine in which the exhaust gases are expanded in a turbine to drive a turbocharger

Example Sentences

Each pump had suction and discharge pipes of 29-inch bore, and was driven by a compound engine.

From Project Gutenberg

The addition to each high pressure cylinder of a low pressure cylinder constitutes a compound engine, and if the engine has also a condenser, it is a compound condensing engine, an example being shown in Fig. 3392a, which represents an engine in which the link motions are employed to vary the points of cut off of both cylinders, as well as to reverse the engine.

From Project Gutenberg

For surface condensing the 1600 would be divided by 50, giving 32 tons per day; and for a compound engine the 1600 would be divided by 60, giving 26 tons 131⁄3 cwt. per day.

From Project Gutenberg

These vessels are now invariably fitted with the compound engine and surface-condensers.

From Project Gutenberg

Hornblower’s Compound Engine, 1781 136 38.

From Project Gutenberg